| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Market with Articles Teleseminar | 978-1-888983-16-6 (1-888983-16-7) | 2005 | Christopher Knight |
| Mystery Shopper's Manual, 6th Edition | 978-1-888983-30-2 (1-888983-30-2) | 2006 | |
| Offbeat Houston, Third Edition | 978-1-888983-32-6 (1-888983-32-9) | 2006 | |